Fix assertion when ungetting EOF

jgraham · jgraham · commit 53b7b983d07d · 2007-10-12T22:17:05.000Z
--HG--
extra : convert_revision : svn%3Aacbfec75-9323-0410-a652-858a13e371e0/trunk%401053
diff --git a/src/html5lib/inputstream.py b/src/html5lib/inputstream.py
@@ -308,7 +308,9 @@ def unget(self, chars):
             self.queue.extendleft(l)
             #Alter the current line, col position
             for c in chars[::-1]:
-                if c == '\n':
+                if c is None:
+                    continue
+                elif c == '\n':
                     assert self.lineLengths[-1] == 0
                     self.lineLengths.pop()
                 else:
